How severe is CVE-2025-32387?

CVE-2025-32387 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-32387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-32387?

CVE-2025-32387 affects Helm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-32387?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-32387 have an EU (EUVD) identifier?

Yes. CVE-2025-32387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10671.

When was CVE-2025-32387 published?

CVE-2025-32387 was published on 2025-04-09 and last updated on 2026-06-17.

CVE-2025-32387

CVE-2025-32387 is a medium-severity vulnerability in Helm with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10671
Weakness: CWE-121
Affected product: Helm
Published: 2025-04-09
Last modified: 2026-06-17

Description

Helm is a package manager for Charts for Kubernetes. A JSON Schema file within a chart can be crafted with a deeply nested chain of references, leading to parser recursion that can exceed the stack size limit and trigger a stack overflow. This issue has been resolved in Helm v3.17.3.

Frequently asked questions

What is CVE-2025-32387?: Helm is a package manager for Charts for Kubernetes. A JSON Schema file within a chart can be crafted with a deeply nested chain of references, leading to parser recursion that can exceed the stack size limit and trigger a stack overflow. This issue has been resolved in Helm v3.17.3.
How severe is CVE-2025-32387?: CVE-2025-32387 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-32387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-32387?: CVE-2025-32387 affects Helm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-32387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-32387 have an EU (EUVD) identifier?: Yes. CVE-2025-32387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10671.
When was CVE-2025-32387 published?: CVE-2025-32387 was published on 2025-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*

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